bzr pull URL --remember fails if the stored path is bad

[Robert Collins]

with an explicit URL we really shouldn't even consider the original url.

push$ bzr pull /foo/bar -Derror
bzr: ERROR: bzrlib.errors.InaccessibleParent: Parent not accessible
given base "file:///opt/tmp/push/" and relative path
"../../../../foo/bar/"

Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 857,
in run_bzr_catch_errors
    return run_bzr(argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 797,
in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 499,
in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.5/site-packages/bzrlib/builtins.py", line 638,
in run
    stored_loc = branch_to.get_parent()
  File "/usr/lib/python2.5/site-packages/bzrlib/branch.py", line 1861,
in get_parent
    raise errors.InaccessibleParent(parent, self.base)
InaccessibleParent: Parent not accessible given base
"file:///opt/tmp/push/" and relative path "../../../../foo/bar/"

 affects bzr
 importance medium
 status confirmed